Hi Nicholas, I love your patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on arm64/for-next/core v5.11-rc6 next-20210125] [cannot apply to hnaz-linux-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Nicholas-Piggin/huge-vmalloc-mappings/20210202-190833 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: x86_64-randconfig-a005-20210202 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 275c6af7d7f1ed63a03d05b4484413e447133269) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/25ffbe7d58a1f780ae44f140143eaaf6ab93061a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nicholas-Piggin/huge-vmalloc-mappings/20210202-190833 git checkout 25ffbe7d58a1f780ae44f140143eaaf6ab93061a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> mm/debug_vm_pgtable.c:221:31: error: too few arguments to function call, single argument 'prot' was not specified if (!arch_vmap_pmd_supported()) ~~~~~~~~~~~~~~~~~~~~~~~ ^ arch/x86/include/asm/vmalloc.h:10:6: note: 'arch_vmap_pmd_supported' declared here bool arch_vmap_pmd_supported(pgprot_t prot); ^ mm/debug_vm_pgtable.c:343:31: error: too few arguments to function call, single argument 'prot' was not specified if (!arch_vmap_pud_supported()) ~~~~~~~~~~~~~~~~~~~~~~~ ^ arch/x86/include/asm/vmalloc.h:9:6: note: 'arch_vmap_pud_supported' declared here bool arch_vmap_pud_supported(pgprot_t prot); ^ 2 errors generated. vim +/prot +221 mm/debug_vm_pgtable.c 215 216 #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP 217 static void __init pmd_huge_tests(pmd_t *pmdp, unsigned long pfn, pgprot_t prot) 218 { 219 pmd_t pmd; 220 > 221 if (!arch_vmap_pmd_supported()) 222 return; 223 224 pr_debug("Validating PMD huge\n"); 225 /* 226 * X86 defined pmd_set_huge() verifies that the given 227 * PMD is not a populated non-leaf entry. 228 */ 229 WRITE_ONCE(*pmdp, __pmd(0)); 230 WARN_ON(!pmd_set_huge(pmdp, __pfn_to_phys(pfn), prot)); 231 WARN_ON(!pmd_clear_huge(pmdp)); 232 pmd = READ_ONCE(*pmdp); 233 WARN_ON(!pmd_none(pmd)); 234 } 235 #else /* CONFIG_HAVE_ARCH_HUGE_VMAP */ 236 static void __init pmd_huge_tests(pmd_t *pmdp, unsigned long pfn, pgprot_t prot) { } 237 #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */ 238 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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